package main

import (
	"fmt"
	"time"
)

// A Weekday specifies a day of the week (Sunday = 0, ...).
type Weekday int

const (
	Sunday    Weekday = iota
	Monday
	Tuesday
	Wednesday
	Thursday
	Friday
	Saturday
)

var days = [...]string{
	"Sunday",
	"Monday",
	"Tuesday",
	"Wednesday",
	"Thursday",
	"Friday",
	"Saturday",
}

// String returns the English name of the day ("Sunday", "Monday", ...).
func (d Weekday) String() string { return days[d] }

func main() {
	fmt.Println(Friday.String())
	fmt.Println(Monday.String())
	fmt.Println(Tuesday.String())

	fmt.Println(time.Friday.String())
}